ชุดประกอบฉากยึดพลังงานแสงอาทิตย์ในครัวเรือน

The aim of this research were 1) to study the development of solar power generation demonstration system for community foundations at a household level and 2) to integrate the research'' results with teaching and learning in the primary school. In this research, a demonstration set of solar power systems which laying onto a whiteboard size of 82 cm width, …